Checking out a 3COM 3C996B-T Gigabit NIC · Brendan's Website
3Com 3c509 - Wikipedia
US Robotics USR5695 PCI Internet Call Modem Card – Maverick Industrial Sales
Setting up 3COM Etherlink 16 ISA network card | ToughDev
3Com 3C905C-TX-M 10/100 RJ-45 Network Card PCI Boot ROM For Windows 95 98 #B182 | eBay
3Com OfficeConnect CardBus Wireless LAN 802.11g WiFi PC Card 3CRWE154G72 NEW Box | eBay
3Com EtherDisk v5.7 for EtherLink III LAN+33.6 Modem PC Card (83-0864-001) : 3Com Corporation : Free Download, Borrow, and Streaming : Internet Archive
3Com Megahertz 10/100 LAN PC Card Installation v2.1 (74-1879-001/83-1150-001) : 3Com Corporation : Free Download, Borrow, and Streaming : Internet Archive